HackingEducationEducationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountPHIMediumContained

University of St. Thomas - Houston

bd_eb6d1710110075d1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 12, 2025

Filed

May 26, 2026

To disclose

—

Affected

16state residents only

Linked

9 filings

Confidence

66%

Full breach record for University of St. Thomas - Houston →

University of St. Thomas-Houston notified Nebraska AG of unauthorized access to its network between July 25 and August 12, 2025. The incident affected 16 Nebraska residents, exposing names, SSNs, DOBs, financial account info, and health insurance data. USTH engaged third-party specialists, notified law enforcement, and provided 12 months of credit monitoring via Experian to affected individuals.

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Incident timeline

undetected · 18 days

Jul 25, 2025

Begins

Aug 12, 2025

Discovered

May 26, 2026

Filed

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Indiana State AGbd_037d756f27dcba8f2026-05-26Verified by operator
Vermont State AGbd_3dbc3d21cb3f1e7f2026-05-26Verified
Maine State AGbd_a02c5ca4989a76f72026-05-26Verified
Washington State AGbd_aa6bab5dc73a3b932026-05-26Verified

Show 4 more filings ↓up to 78d gap

Massachusetts State AGbd_f485349c6738905a2026-05-26Verified by operator
New Hampshire State AGbd_fbc9720e76119e2a2026-05-27 · +1dVerified
Texas State AGbd_c8affa11c4871b0d2026-05-28 · +2dVerified by operator
Texas State AGbd_ade2037bf6e501992026-03-09 · +78dCandidate

Name: University of St. Thomas - Houston
norm: university of st thomas houston

Name: University of St. Thomas - Houston
norm: university of st thomas houston
Industry: Educationllm

Discovered: Aug 12, 2025
Breach occurred: Jul 25, 2025 – Aug 12, 2025
Undetected for: 18 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 26, 2026
Affected individuals: 16state-resident count only
Data types: Identity (basic)Government IDFinancial accountPHI
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: providing written notice of this incident to relevant state regulators
Initial access: exploit_public_facing

During the incident: Took steps to secure its network
Began working with third-party specialists to determine the full nature and scope of the activity
Notified law enforcement
Notified federal law enforcement regarding the event
Providing access to credit monitoring services for twelve (12) months through Experian
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators
Providing written notice... to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Working to implement additional safeguards and training to its employees
Reviewing our existing policies and procedures and are implementing additional technical security measures to reduce the likelihood of a similar incident
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

Texas State AGMar 9 · first

Indiana State AG+78d

Vermont State AG+78d

Maine State AG+78d

Washington State AG+78d

Massachusetts State AG+78d

Nebraska State AG+78d · this page

New Hampshire State AG+79d

Texas State AG+80d

Pattern: first filing Mar 9 (TX), last May 28 (TX) — a 80-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://nebraska.gov/ago/data-breach/documents/b800ff0d-c9d8-496a-abbd-ff329ce6d796.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 26, 2026
Raw hash: 4747cf13485ad60af52a73a4dde2257fb7774a050802c3c319cad6218f690b59

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityUniversity of St. Thomas - Houston

Victim entityUniversity of St. Thomas - Houston

Incidentdiscovered Aug 12, 2025

Stated responseTook steps to secure its network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov